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Carbonation of Aggregates from Construction and Demolition Waste Applied to Concrete: A Review.
- Source :
- Buildings (2075-5309); Apr2023, Vol. 13 Issue 4, p1097, 14p
- Publication Year :
- 2023
-
Abstract
- The construction industry is essential to the development and economy, but is also the largest generator of construction and demolition waste (CDW). While efforts are made to minimize such generation, the construction industry has been developing applications for it in the form of aggregates to replace the commonly used natural aggregates. However, in structural applications, it is necessary to ensure that the properties of concrete produced with CDW, as recycled aggregates (CDW-concrete), guarantee adequate performance and do not put the structure at risk. For this, one of the alternatives is improving the properties of CDW aggregates through carbonation, a process called carbonate curing or accelerated carbonation. In this sense, this paper aims to investigate the carbonation of CDW aggregates, clarifying how this process occurs, the existing carbonation methods, the main properties that affect this process, and their influence on the properties of recycled aggregates and the CDW-concrete. To this end, the SREE (systematic review for engineering and experiments) method was used to search and analyze scientific manuscripts published without a time limit. The results revealed that the most widely used method for carbonate curing is recommended by Chinese standard GB50082, and highlighted the need for further research to investigate the CDW-concrete, focusing on its eco-friendly potential to capture CO<subscript>2</subscript> from the atmosphere. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 20755309
- Volume :
- 13
- Issue :
- 4
- Database :
- Complementary Index
- Journal :
- Buildings (2075-5309)
- Publication Type :
- Academic Journal
- Accession number :
- 163385689
- Full Text :
- https://doi.org/10.3390/buildings13041097